package com.yinNuo.collectWool.quartz.service.impl;

import com.yinNuo.collectWool.quartz.common.ScheduleConstants;
import com.yinNuo.collectWool.quartz.dao.SysJobMapper;
import com.yinNuo.collectWool.quartz.entity.CustomJob;
import com.yinNuo.collectWool.quartz.entity.SysJob;
import com.yinNuo.collectWool.quartz.exception.TaskException;
import com.yinNuo.collectWool.quartz.service.CustomJobService;
import com.yinNuo.collectWool.quartz.service.ISysJobService;
import com.yinNuo.collectWool.quartz.util.CronUtils;
import com.yinNuo.collectWool.quartz.util.ScheduleUtils;
import com.yinNuo.collectWool.quartz.util.StringUtils;
import com.yinNuo.collectWool.quartz.vo.SysJobVo;
import com.yinNuo.collectWool.utils.Register;
import org.quartz.JobDataMap;
import org.quartz.JobKey;
import org.quartz.Scheduler;
import org.quartz.SchedulerException;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import javax.annotation.PostConstruct;
import javax.annotation.Resource;
import java.util.List;
import java.util.Set;

/**
 * create by: yinNuo
 * create at: 2022/1/8 下午7:09
 * description: 定时任务调度信息 服务层
 */
@Service
public class SysJobServiceImpl implements ISysJobService {
    @Resource
    private Scheduler scheduler;

    @Resource
    private SysJobMapper jobMapper;

    @Resource
    private CustomJobService customJobService;

    /**
     * 项目启动时，初始化定时器 主要是防止手动修改数据库导致未同步到定时任务处理（注：不能手动修改数据库ID和任务组名，否则会导致脏数据）
     */
    @PostConstruct
    public void init() throws SchedulerException, TaskException {
        scheduler.clear();
        List<SysJob> jobList = jobMapper.selectJobAll();
        for (SysJob job : jobList) {
            ScheduleUtils.createScheduleJob(scheduler, job);
        }
    }

    /**
     * 获取quartz调度器的计划任务列表
     *
     * @param sysJobVo 调度信息
     * @return
     */
    @Override
    public List<SysJob> selectJobList(SysJobVo sysJobVo) {
        sysJobVo.setCurrentPage((sysJobVo.getCurrentPage() - 1) * sysJobVo.getPageSize());
        return jobMapper.selectJobList(sysJobVo);
    }

    /**
     * 条件查询调度任务条数
     *
     * @param sysJobVo 调度信息
     * @return 操作日志集合
     */
    @Override
    public int jobListCount(SysJobVo sysJobVo) {
        return jobMapper.jobListCount(sysJobVo);
    }

    /**
     * 通过调度任务ID查询调度信息
     *
     * @param jobId 调度任务ID
     * @return 调度任务对象信息
     */
    @Override
    public SysJob selectJobById(Long jobId) {
        return jobMapper.selectJobById(jobId);
    }

    /**
     * 暂停任务
     *
     * @param job 调度信息
     */
    @Override
    @Transactional(rollbackFor = Exception.class)
    public int pauseJob(SysJob job) throws SchedulerException {
        Long jobId = job.getJobId();
        String jobGroup = job.getJobGroup();
        job.setStatus(ScheduleConstants.Status.PAUSE.getValue());
        int rows = jobMapper.updateJob(job);
        if (rows > 0) {
            scheduler.pauseJob(ScheduleUtils.getJobKey(jobId, jobGroup));
        }
        return rows;
    }

    /**
     * 恢复任务
     *
     * @param job 调度信息
     */
    @Override
    @Transactional(rollbackFor = Exception.class)
    public int resumeJob(SysJob job) throws SchedulerException {
        Long jobId = job.getJobId();
        String jobGroup = job.getJobGroup();
        job.setStatus(ScheduleConstants.Status.NORMAL.getValue());
        int rows = jobMapper.updateJob(job);
        if (rows > 0) {
            scheduler.resumeJob(ScheduleUtils.getJobKey(jobId, jobGroup));
        }
        return rows;
    }

    /**
     * 删除任务后，所对应的trigger也将被删除
     *
     * @param job 调度信息
     */
    @Override
    @Transactional(rollbackFor = Exception.class)
    public int deleteJob(SysJob job) throws SchedulerException {
        Long jobId = job.getJobId();
        String jobGroup = job.getJobGroup();
        int rows = jobMapper.deleteJobById(jobId);
        if (rows > 0) {
            scheduler.deleteJob(ScheduleUtils.getJobKey(jobId, jobGroup));
        }
        return rows;
    }

    /**
     * 批量删除调度信息
     *
     * @param jobIds 需要删除的任务ID
     * @return 结果
     */
    @Override
    @Transactional(rollbackFor = Exception.class)
    public void deleteJobByIds(Long[] jobIds) throws SchedulerException {
        for (Long jobId : jobIds) {
            SysJob job = jobMapper.selectJobById(jobId);
            deleteJob(job);
        }
    }

    /**
     * 任务调度状态修改
     *
     * @param job 调度信息
     */
    @Override
    @Transactional(rollbackFor = Exception.class)
    public int changeStatus(SysJob job) throws SchedulerException {
        int rows = 0;
        String status = job.getStatus();
        if (ScheduleConstants.Status.NORMAL.getValue().equals(status)) {
            rows = resumeJob(job);
        } else if (ScheduleConstants.Status.PAUSE.getValue().equals(status)) {
            rows = pauseJob(job);
        }
        return rows;
    }

    /**
     * 立即运行任务
     *
     * @param job 调度信息
     */
    @Override
    @Transactional(rollbackFor = Exception.class)
    public void run(SysJob job) throws SchedulerException {
        Long jobId = job.getJobId();
        String jobGroup = job.getJobGroup();
        SysJob properties = selectJobById(job.getJobId());
        // 参数
        JobDataMap dataMap = new JobDataMap();
        dataMap.put(ScheduleConstants.TASK_PROPERTIES, properties);
        scheduler.triggerJob(ScheduleUtils.getJobKey(jobId, jobGroup), dataMap);
    }

    /**
     * 新增任务
     *
     * @param job 调度信息 调度信息
     */
    @Override
    @Transactional(rollbackFor = Exception.class)
    public int insertJob(SysJob job) throws SchedulerException, TaskException {
        CustomJob customJob = new CustomJob();
        customJob.setJobname(job.getJobName());
        customJob.setRequesttype(job.getRequesttype());
        customJob.setUrl(StringUtils.replaceBlank(job.getUrl()));
        customJob.setUrlparam(StringUtils.replaceBlank(job.getUrlparam()));
        customJob.setHeader(StringUtils.replaceBlank(job.getHeader()));
        customJob.setRequestparam(StringUtils.replaceBlank(job.getRequestparam()));
        //将数据存到set集合中
        Set<CustomJob> set = Register.set;
        set.add(customJob);
        //将数据保存到自定义定时任务表里
        customJobService.save(customJob);
        //新增时默认暂停任务
        //job.setStatus(ScheduleConstants.Status.PAUSE.getValue());
        job.setJobGroup("DEFAULT");
        job.setInvokeTarget("collectwoolScheduled.taskScheduled('"+customJob.getId()+"')");
        job.setMisfirePolicy("1");
        job.setConcurrent("1");
        int rows = jobMapper.insertJob(job);
        if (rows > 0) {
            ScheduleUtils.createScheduleJob(scheduler, job);
        }
        return rows;
    }

    /**
     * 更新任务的时间表达式
     *
     * @param job 调度信息
     */
    @Override
    @Transactional(rollbackFor = Exception.class)
    public int updateJob(SysJob job) throws SchedulerException, TaskException {
        SysJob properties = selectJobById(job.getJobId());
        CustomJob customJob = new CustomJob();
        customJob.setId(job.getId());
        customJob.setJobname(job.getJobName());
        customJob.setRequesttype(job.getRequesttype());
        customJob.setUrl(StringUtils.replaceBlank(job.getUrl()));
        customJob.setUrlparam(StringUtils.replaceBlank(job.getUrlparam()));
        customJob.setHeader(StringUtils.replaceBlank(job.getHeader()));
        customJob.setRequestparam(StringUtils.replaceBlank(job.getRequestparam()));
        //将数据存到set集合中
        Set<CustomJob> set = Register.set;
        for (CustomJob customJob1 : set) {
            if (job.getId().equals(customJob1.getId())) {
                set.remove(customJob1);
                set.add(customJob);
            }
        }
        //将数据保存到自定义定时任务表里
        customJobService.updateById(customJob);
        job.setJobGroup("DEFAULT");
        job.setInvokeTarget("collectwoolScheduled.taskScheduled('"+customJob.getId()+"')");
        job.setMisfirePolicy("1");
        job.setConcurrent("1");
        int rows = jobMapper.updateJob(job);
        if (rows > 0) {
            updateSchedulerJob(job, properties.getJobGroup());
        }
        return rows;
    }

    /**
     * 更新任务
     *
     * @param job      任务对象
     * @param jobGroup 任务组名
     */
    public void updateSchedulerJob(SysJob job, String jobGroup) throws SchedulerException, TaskException {
        Long jobId = job.getJobId();
        // 判断是否存在
        JobKey jobKey = ScheduleUtils.getJobKey(jobId, jobGroup);
        if (scheduler.checkExists(jobKey)) {
            // 防止创建时存在数据问题 先移除，然后在执行创建操作
            scheduler.deleteJob(jobKey);
        }
        ScheduleUtils.createScheduleJob(scheduler, job);
    }

    /**
     * 校验cron表达式是否有效
     *
     * @param cronExpression 表达式
     * @return 结果
     */
    @Override
    public boolean checkCronExpressionIsValid(String cronExpression) {
        return CronUtils.isValid(cronExpression);
    }
}
